Finding the Fourth Proportional to 16,776.71, 25,168.23 and 5,680.41

Step by Step Solution

1. Step 1: Write the proportion equation
   16,776.71 : 25,168.23 = 5,680.41 : x
2. Step 2: Convert to fraction form
   16,776.71/25,168.23 = 5,680.41/x
3. Step 3: Cross multiply
   16,776.71x = 25,168.23 × 5,680.41
4. Step 4: Simplify right side
   16,776.71x = 142,965,865.37
5. Step 5: Solve for x
   x = 142,965,865.37/16,776.71
6. Step 6: Final answer
   x = 8,521.69